Home / 2,828,041.20-3,902,705.28-1,538,881.92

Finding the Fourth Proportional to 2,828,041.20, 3,902,705.28 and 1,538,881.92

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Solution

The fourth proportional to 2,828,041.20, 3,902,705.28 and 1,538,881.92 is: 2,123,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,041.20 : 3,902,705.28 = 1,538,881.92 : x
  2. Step 2: Convert to fraction form
    2,828,041.20/3,902,705.28 = 1,538,881.92/x
  3. Step 3: Cross multiply
    2,828,041.20x = 3,902,705.28 × 1,538,881.92
  4. Step 4: Simplify right side
    2,828,041.20x = 6,005,802,594,480.54
  5. Step 5: Solve for x
    x = 6,005,802,594,480.54/2,828,041.20
  6. Step 6: Final answer
    x = 2,123,661.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.